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在庆祝新中国成立70周年的校园歌唱比赛中,11名参赛同学的成绩各不相同,按照成绩取前5名进入决赛.如果小明知道了自己的比赛成绩,要判断能否进入决赛,小明需要知道这11名同学成绩的(     )


  • A.平均数
  • B.中位数
  • C.众数
  • D.方差
答案: B
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更新时间:2022-04-14 16:53
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